57   size_t idx = rand_(vector_size);  in ArrayMutate()
68   size_t idx = rand_(size);  in EnumRandomGen()
77   uint64_t rand_num = rand_(odds_for + odds_against);  in EnumRandomGen()
132   size_t dice_roll = str.empty() ? 0 : rand_(3);  in StringMutate()
133   size_t idx = rand_(str_size);  in StringMutate()
171   size_t idx = rand_(size);  in StructMutate()
183   size_t idx = rand_(size);  in UnionRandomGen()
212   size_t idx = rand_(size);  in VectorMutate()
286   uint64_t rand_int = mutator_config_.scalar_bias_(rand_);  in RandomGen()
294   return static_cast<bool>(rand_(2));  in RandomGen()
300   T mask = static_cast<T>(1) << rand_(num_bits);  in Mutate()
309   uint32_t mask = static_cast<uint32_t>(1) << rand_(32);  in Mutate()
318   uint64_t mask = static_cast<uint64_t>(1) << rand_(64);  in Mutate()
331   return char_set[rand_(num_chars)];  in RandomAsciiChar()